Overhead sectional door most widely used for loading areas on all types of industrial premises and Designed with a curved overhead track, these vertically-opening sectional doors can be installed in areas with reduced head room. They provide heat and sound insulation with its composite panel construction.
The counterbalance and cable system provides quiet and straight forward operation for manual doors. Electric operation is available for larger applications that can incorporate many alternative operator options to suit all client requirements.
The standard outer panels are manufactured from 0.5mm thick, high quality zinc coating to BS EN 10147
For the best weather protection the sectional door panel has an interlocking hinged joint integrating a high quality seal the full length of the panel.
A counterbalance system is incorporated into the sectional overhead door to ensure efficient and effortless operation.
The counterbalance comprises of springs mounted on a steel shaft that are high tensile helical wound steel. It has been heat treated for enhanced performance for around 50,000 cycles.
Reducing shaft friction is achieved with the aid of brackets and guide rollers incorporating highest quality sealed bearings.
Overhead Sectional Door,Overhead Sectional Garage Door,Automatic Overhead Sectional Door, Overhead Insulated Garage Door Shenzhen Hongfa Automatic Door Co., Ltd. , https://www.hfgaragedoor.com
During the meeting, Zhang Weixiang, chairman of Zhejiang Jianlong Group, replaced the chairman of Shen Wenrong who was unable to attend the meeting for some reason. The report reviews the development of China's steel industry in 2009 and analyzes the development of the steel industry in the coming period. The analysis pointed out that China's steel industry has the following characteristics:
"Two fundamentals in parallel": First, China's steel industry still has a certain room for development. At present, China's steel consumption has not yet reached its peak, and steel product quality and enterprise efficiency still have room for improvement. Second, China's steel industry will remain in the long-term. High cost, low profit period.
"Two objective existences": First, the downstream industry has put forward new requirements for the variety and quality of steel products, providing a new development space for the steel industry; second, there are objective gaps in private steel enterprises.
“Facing a crisisâ€: the import of iron ore and coking coal crisis emerged.
“There are three challengesâ€: First, the challenge of a low-carbon economy; second, exchange rate changes, inflation expectations, and real estate regulation policies have a negative impact on the steel industry; third, strict national policy.
Representatives from Delong Holding Group Co., Ltd., Jiangsu Shagang Group Huaigang Special Steel Co., Ltd. and Shandong Shiheng Special Steel Group Co., Ltd., as representatives of outstanding enterprises of the Chamber of Commerce, also spoke successively to introduce their company's development experience and future development. Imagine. Li Xinchuang, dean of the Metallurgical Industry Planning and Research Institute, also analyzed the current development of the metallurgical industry.
The meeting of the president was held during the meeting and the decision on membership changes was passed. The meeting was summed up by Zhao Xizi, honorary president of the Metallurgical Chamber of Commerce.
The responsible persons of the Chamber of Commerce enterprises at the meeting also discussed and exchanged the situation faced by the steel industry in the coming period and the countermeasures to be taken.
China's steel industry faces the crisis of importing iron ore and coking coal
The 8th meeting (expansion) meeting of the first session of the National Federation of Industry and Commerce Metallurgical Chamber of Commerce was held in Beijing a few days ago. The leaders of the Metallurgical Industry Chamber of Commerce and Industry and the Ministry of Industry and Information Technology attended the meeting. At the meeting, there were representatives of member units, four province liaison offices and some non-member private steel enterprises and related experts. More than 100 people from 68 units attended the meeting.